What is the resolution for the HCS12 ATD in 8-bit mode with reference To achieve

Question

What is the resolution for the HCS12 ATD in 8-bit mode with reference To achieve a resolution of 0.097%. what is the minimum number of bits required for the ADC? Show work. The SPI transmits a single character of 8-bits in 128 microseconds? Hint: What is the baud rate? 1 baud- bit/sec . known as transmission speed (Show work) The 9S12GI28 event counter is configured and enabled for rising edge. A I ( I 17 logic levels) is applied to the counter input. With the counter starting at 0x0010, what is the data contained in the event counter after 16.52 seconds (first count increment occurred at 0 seconds)?

Explanation / Answer

6) Number of Bits = 8

Reference voltage = 5V

The resoultion = 5/256 = 0.019325

7) 5/2^x = 0.00097 => 2^x = 5154 => x = 13 bits

Hence the anser is none of these

8) Baud rate = number of bits/second = 8/128*10^6 = 62.5Kbaud

9) 0X17 will be the correct answer

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